Exercise treadmill



FIG. 1 is a side elevational view of an exercise treadmill showing mynew design;

FIG. 2 is an elevational view of the other side of the exercisetreadmill as shown in FIG. 1;

FIG. 3 is a front elevational view of the exercise treadmill, as shownin FIG. 1;

FIG. 4 is a rear elevational view of the exercise treadmill as shown inFIG. 1;

FIG. 5 is a top plan view of the exercise treadmill as shown in FIG. 1;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

The ornamental design for an exercise treadmill, as shown and described.